// MITRE ATT&CK
T1679 · Selective Exclusion
🎯 Stealth Windows
Adversaries may intentionally exclude certain files, folders, directories, file types, or system components from encryption or tampering during a ransomware or malicious payload execution. Some file extensions that adversaries may avoid encrypting include `.dll`, `.exe`, and `.lnk`.(Citation: Palo A...
How to detect & mitigate it
Detecting Selective Exclusion starts with your SIEM/EDR telemetry. Write a detection rule with the Sigma generator, analyze suspicious logs in the log analyzer, and place the technique on your coverage with the ATT&CK matrix.
Related techniques
T1055.011
Extra Window Memory Injection T1205.002
Socket Filters T1027.011
Fileless Storage T1218.011
Rundll32 T1027.009
Embedded Payloads T1564.012
File/Path Exclusions T1216.001
PubPrn T1574.007
Path Interception by PATH Environment Variable
Extra Window Memory Injection T1205.002
Socket Filters T1027.011
Fileless Storage T1218.011
Rundll32 T1027.009
Embedded Payloads T1564.012
File/Path Exclusions T1216.001
PubPrn T1574.007
Path Interception by PATH Environment Variable
Source: MITRE ATT&CK®. ATT&CK is a registered trademark of The MITRE Corporation. Content for educational purposes.